20 results
Causes of Bone/Joint Pain in Sickle Cell Disease
Vaso-occlusive pain:
 • Mechanism: ischemic pain
 • Can present
Generally affects long ... common sites: hip ... • XR, MRI to ... dz difficult to see ... Osteomyelitis / Septic Arthritis
CNS Ring-Enhancing Lesions - Immunocompromised vs Immunocompetent
Multiple Ring-Enhancing Lesions:
 • Toxoplasmosis (CD4 < 100)
 • Other
Compatible syndrome + MRI ... lesions • 80% with lung ... RingEnhancing #Lesions #Brain ... #differential # ... diagnosis #causes
BEE Syndromes - Non-inflammatory Causes

Immune-mediated conditions affecting the Brain, Eye, and Ear

Visual or auditory symptoms in
affecting the Brain ... pachymeningitis • HIV ... neuropathy (LHON) plus MRI ... lesions and clinical ... noninflammatory #differential
Approach to Joint Pain - Arthritis Differential Diagnosis Framework

Inflammatory Versus Noninflammatory Pain
 • Is it inflammatory
- Arthritis Differential ... Caused By: - ... Parvovirus B19 • HIV ... Joint #pain #Differential ... #Diagnosis #MSK
Lung Infections in HIV - Differential Diagnosis Framework

Disease by CD4 Count:
Any CD4 Count:
 • Mycobacterium tuberculosis,
Lung Infections ... in HIV - Differential ... factor • May cause ... #Infections #HIV ... AIDS #pulmonary #differential
Transverse Myelitis Overview

Focal inflammatory disorder of the spinal cord resulting in rapid onset of weakness, sensory
Transverse Myelitis - Clinical ... or without back pain ... Brain MRI: Check ... simplex virus, HIV ... #differential
Approach to Joint Pain - Diagnostic Framework

1) Chronicity
2) Inflammatory vs Non-Inflammatory
3) Number of Joints Involved

1) Chronicity:
Approach to Joint Pain ... Like in this case ... - parvovirus, HIV ... #Joint #Pain #MSK ... approach #workup #differential
Erythemas Summarized
Erythema ab igne
 • A dermatosis that results from repeated exposure to heat (fires, heating
medications, foods, stress ... cancers, including lung ... Has more rarely been ... after group A Strep ... comparison #table #differential
Lung Abscess - Diagnosis and Management Summary

Lung Abscess Etiology:
 • Necrosis of lung parenchyma by a
polymicrobial infection ... • Most common cause ... Lung Abscess - Clinical ... Pleuritic chest pain ... Aeruginosa - Strep
CNS Infection in HIV / AIDS - Differential Diagnosis Framework

Principles of HIV-Associated CNS Opportunistic Infections:
 •
HIV / AIDS - Differential ... based on clinical ... Imaging: - MRI ... Demyelinating disease caused ... #differential #